Respuesta :

2(2x+2)=40, 4x+4=40, 4x=36, x=9..plug in 9..
2x+2, 2×9+2, 18+2, 20=sr


or simply 40÷2=20

Answer:

2(2x+2)=40, 4x+4=40, 4x=36, x=9..plug in 9..

2x+2, 2×9+2, 18+2, 20=sr

Step-by-step explanation:

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